725 search results - page 23 / 145 » A General Greedy Approximation Algorithm with Applications |
COCOA
2008
Springer
14 years 11 months ago
2008
Springer
This paper deals with approximation algorithms for the prize collecting generalized Steiner forest problem, defined as follows. The input is an undirected graph G = (V, E), a colle...
94
Voted
FOCS
2009
IEEE
15 years 4 months ago
2009
IEEE
— Linial, London and Rabinovich [16] and Aumann and Rabani [3] proved that the min-cut max-flow ratio for general maximum concurrent flow problems (when there are k commodities...
108
Voted
MOR
2000
14 years 9 months ago
2000
Given a network and a set of connection requests on it, we consider the maximum edge-disjoint paths and related generalizations and routing problems that arise in assigning paths f...
COMPUTING
2008
14 years 9 months ago
2008
Generalizing the approach of a previous work [15] the authors present multilevel preconditioners for three-dimensional (3D) elliptic problems discretized by a family of Rannacher ...
AAAI
2010
14 years 11 months ago
2010
Top-k approximate querying on string collections is an important data analysis tool for many applications, and it has been exhaustively studied. However, the scale of the problem ...